| 摘要 |
In a simple and slim double-faced vacuum fluorescent display device having no grid with low power consumption and low fabrication cost, in order to turn on fluorescent layers P111 to P141 of segments D11 to D14 in an anode electrode set D1 on a back plate S2, 12V, 0V, 0V and -12V are applied to the segments D11 to D14 in the anode electrode set D1 on the back plate S2, the other segments on the back plate S1, segments C11 to C15 in an anode electrode set C1 on a front plate S2 and the other segments on the front plate S1, respectively. In order to turn on segments C12 and C16 in the anode electrode set C1 on the front plate S1, 12V, 0V, 0V and -12V are applied to the segments C12 and C16 in the anode electrode set C1 on the front plate S1, the other segments on the front plate S1, the segments D1 to D14 on the back S2 and the other segments on the back plate S2, respectively. Anode electrodes on one of the front plate and the back plate function as control electrodes for anode electrodes on the other one of the front plate and the back plate.
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